oral b12 vs injection Vitamin Injections vs. Supplements: Which is Right for You? Vitamin B12 Injection: Benefits, Uses

That said, patients with active diabetes or significant metabolic dysfunction should have any investigational peptide protocol reviewed by their endocrinologist or primary care physician alongside their supervising aesthetic medicine provider

Constant tiredness, foggy thinking, or numb hands might seem minor, but should not be ignored

According to StatPearls (NCBI Bookshelf), the most common adverse effect of intramuscular vitamin B12 injections is significant pain at the injection site, which is particularly noted in thinner individuals

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notes that a significant number of people who are B12 deficient are unable to absorb the vitamin from food or supplements, and so need to inject it, which they can only do at their GP practice

Or, even if youre not suffering from a deficiency